The signs and symptoms of large bowel obstruction are:
Epigastric pain and rectal bleeding.
Fluid overload and passing gas.
Abdominal distention and hypogastric pain.
Diarrhea and excessive thirst.
The Correct Answer is C
Choice C reason: Abdominal distention and hypogastric pain are classic signs and symptoms of large bowel obstruction. The obstruction prevents the normal passage of intestinal contents, leading to a buildup of gas and fluid, which causes distention and pain.
Choice A reason: Epigastric pain and rectal bleeding are not typical signs of large bowel obstruction. These symptoms are more commonly associated with other gastrointestinal conditions, such as peptic ulcers or colorectal cancer.
Choice B reason: Fluid overload and passing gas are not characteristic of large bowel obstruction. In fact, the inability to pass gas is a common symptom of bowel obstruction.
Choice D reason: Diarrhea and excessive thirst are not typical signs of large bowel obstruction. Diarrhea is more commonly associated with conditions affecting the small intestine or infections, while excessive thirst is a symptom of dehydration or diabetes.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A reason:
Amoxicillin is an antibiotic used to treat bacterial infections. It has no role in the management of atrial fibrillation, which is a cardiac rhythm disorder. Antibiotics do not address the prevention of thromboembolism or the control of heart rate or rhythm.
Choice B reason:
Reglan (metoclopramide) is a medication used to treat gastroesophageal reflux disease (GERD) and gastroparesis. It does not have any indication for use in atrial fibrillation. The management of atrial fibrillation focuses on rate or rhythm control and anticoagulation.
Choice C reason:
Rivaroxaban (Xarelto) is an anticoagulant that is commonly prescribed for patients with atrial fibrillation to prevent stroke and systemic embolism. Since atrial fibrillation increases the risk of thromboembolism, anticoagulation is a crucial component of the treatment plan to reduce the risk of stroke.
Choice D reason:
Omeprazole is a proton pump inhibitor used to treat acid-related stomach issues such as GERD. It is not relevant to the management of atrial fibrillation. The primary concerns in managing atrial fibrillation are controlling the heart rate and preventing thromboembolism, which omeprazole does not address.
Correct Answer is B
Explanation
Choice A reason:
Nifedipine is a dihydropyridine calcium channel blocker that primarily affects vascular smooth muscle, leading to vasodilation. While it can lower blood pressure, it does not significantly affect cardiac conduction or rhythm, which is why it is not used as an antidysrhythmic.
Choice B reason:
Verapamil and Diltiazem are calcium channel blockers that affect the movement of calcium into the cells of both the heart and blood vessels. They have a significant impact on cardiac conduction and can be used to treat arrhythmias by slowing down the heart rate and reducing the conduction through the atrioventricular node.
Choice C reason:
Not all three medications have antidysrhythmic properties. Only Verapamil and Diltiazem are effective as antidysrhythmic agents due to their effects on cardiac conduction. Nifedipine does not share these properties and is therefore not used to manage arrhythmias.
Choice D reason:
Nifedipine primarily affects the movement of calcium into the cells of vascular smooth muscle, not the heart. Its main use is in the treatment of hypertension and angina, where its vasodilatory effects are beneficial. It does not significantly impact cardiac rhythm or conduction like Verapamil and Diltiazem do.
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